TY - RPRT TI - The chemistry of fruits and vegetables, Yakima River Valley, Washington, and the influence of the 1980 Mount St. Helens ash fall episodes AU - L. P. Gough AU - H.T. Shacklette AU - J. L. Peard AU - C. S. Papp PY - 1986 DO - 10.3133/b1640 UR - https://pubs.usgs.gov/publication/b1640 ID - b1640 ER -